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/home/abuild/rpmbuild/BUILD/lapack-3.12.0/SRC/disnan.f(3) Library Functions Manual /home/abuild/rpmbuild/BUILD/lapack-3.12.0/SRC/disnan.f(3)

NAME

/home/abuild/rpmbuild/BUILD/lapack-3.12.0/SRC/disnan.f

SYNOPSIS

Functions/Subroutines


logical function DISNAN (din)
DISNAN tests input for NaN.

Function/Subroutine Documentation

logical function DISNAN (double precision, intent(in) din)

DISNAN tests input for NaN.

Purpose:

!>
!> DISNAN returns .TRUE. if its argument is NaN, and .FALSE.
!> otherwise.  To be replaced by the Fortran 2003 intrinsic in the
!> future.
!>

Parameters

DIN 

!>          DIN is DOUBLE PRECISION
!>          Input to test for NaN.
!>

Author

Univ. of Tennessee

Univ. of California Berkeley

Univ. of Colorado Denver

NAG Ltd.

Definition at line 58 of file disnan.f.

Author

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Version 3.12.0 LAPACK